NTRON OC-25M Oxygen analyzer (0...25 %)

Measurement Range: 0...25 %

Accuracy: +/- 0.02 % @ 1 %, +/- 0.01 % @ 0.1 %

Output Resolution: 0.01 %

Lower Detection Limit (LDL:) 0.02 % +/- 0.01

Response Time (T90): <20 seconds, typically 12 seconds

Operating Temperature Range: -20…+50 °C (-4…+122 °F)

Sample Flow Rate (application dependent)

Flow-through/extractive: 100...500 ml/min (250 ml/min optimal) in a vented atmosphere

Direct insertion: Up to 6 m/s

Life Expectancy (application dependent): Up to 24 months

Humidity: 0...95 %rh non-condensing

Process Connection: 2” Tri-clamp / Flow-through

Shelf Life: 12 months

Calibration Interval (application dependent): 6...12 months

Electrical

Display: LCD

Output Signal: 4...20 mA

Digital Communication: RS485 (not SIL-capable)

Relay Output Options: 2 x configurable alarm relays, 1 x fault alarm relay, 1 x transistor

Power Supply: 24 V DC

Relay Contact Outputs RL1 / RL2 / Alarm 

Switching power max.: 62.5 V A resp max. 30 W

Switching voltage: Um 125 V AC/110 V DC

Min. current 10 uA DC

Min. voltage 10 mV DC

According to IEC 947-5-1 resp. EN 60947

Transistor Output (DO): Switching parameters: < 28 V @ < 50 mA

Intrinsically Safe Connection 

Voltage Uo = 6 V DC

Current intensity Io = 0.2 mA

Power Po = 0.3 mW

Max. outer inductivity Lo = 1000 mH

Max. outer capacity Co = 10 μF

Maximum Power Consumption: 1.5 W

Indicators: LCD and LED alerts on analyzer

Mechanical

Ingress Protection: IP20 enclosure

Housing Material: PBT

Mounting: 35 mm DIN rail

Cable Length: I.S sensor connection 5 m/10 m/15 m

 Datasheet